Improvement in pumps



S. S. ROBINSON.

PUMPS.

Patented .my z5. 187e.

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WIESSES r masas, PHoTn-umcamrnsn. wAsmNsToN. u cA "UN-man SYLVANUS S.ROBINSON, OF HOLDEN, MISSOURI.

IMPROVEMENT IN PUMPS.

Specification forming part of Letters Patent No. 180,375, dated July 25,1876; application led June 20, 1876.

To all whom zt may concern:

Be it known that l, S. S. ROBINSON, of Holden, in the county of Johnson,and in the State of Missouri, have invented certain new and usefulImprovements in Pumps; and do hereby declare that the following is afull, clear, and exact description thereof, reference being had to theaccompanying drawings and to the letters of reference marked thereon,making a part of this specification.

The nature of my invention consists in the construction and arrangementof a pump, as w'ill be hereinafter more fully set forth.

In order to enable others skilled in the art to which my inventionappertains to make and use the same, I will now proceed to describe itsconstruction and operation, referring to the annexed drawing, in which-Figure l is a vertical section of my pump. Fig. 2 is an enlargedvertical section of the cylinder and piston. Fig. 3 is a cross-sectionthrough the handle.

A is the stock of the pump, closed at the lower end, and provided with aspout, B. This spout is open at its outer end, and has an opening in itsunder side, with a plug, a, to close either of these outlets, and letthe water pass out through the other, as desired. O represents a curvedpipe, formed with a ange, b, around its upper end, and fastened to theside of the stock A, a suitable aperture being made in the stock to formcommunication with the interior thereof. At the lower end of the pipe Cis another ange, d, to which the plunger D is fastened by suitablebolts. The plunger 1) is made to form the seat for the ball-valve e, andhas suitable leather packingj', as shown. It has also a circumferentialgroove, t', for water-packing. E'represents the cylinder open at bothends, a-nd provided at its lower end with the seat G for the ball-valveh, said seat tting within the cylinder, and fastened thereto by 011eor'more pins, k, which also form guards for the valve. The upper end ofthe cylinder E is suspended by pins mm in the lower ends of two arms, II, the upper ends of which are connected to a bar, H, and this barconnected to the handle J This handle passes through working the handlethe cylinder E is moved up and down on the stationary plunger D.

The pump may be made double-acting by adding on the opposite side of thepumpstock another pipe, C, with plunger D, and cylinder E with itsconnections, with the handle, as represented by dotted lines in Fig. 1.

Having thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent, is-

1. The combination of the pump-stock A with spout B, the curved pipe (l,provided with a iange, l), secured to the pump-stock, and having astationary plunger, D, at its end, and the vertically-reciprocatingopen-end cylinder E, having a ballvalve, h, in its bottom, all.constructed and arranged substantially as and for the purposes setforth. 2. The plunger D, constructed as described,- with leatherpacking' f, water-packing at i, and ball-valve @,and attached to thestationary pipe C, in combination with a verticallyreciprocatingcylinder, substantially as and for the purposes herein set forth.

3. The combination, in a pump, of the mortised stock A, with metal boxess s, handle J with metal box n, and pin p, all substantially as and forthe purposes herein setforth.

In testimony that I claim thc foregoing I have hereunto set my hand this15th day of May, 1876.' I

A SYLVANUS S. ROBINSON.

, Witnesses: Y 1

Jnssn W. JAQUITH, WILL/IRD J AQUITH.

